Penetration of radioactive phosphate into the eggs of Strongylocentrotus purpuratus, S. franciscanus, and Urechis caupo.
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D000818:Animals; D006801:Humans; D010710:Phosphates; D010758:Phosphorus; D010761:Phosphorus Radioisotopes; D011077:Polychaeta; D047270:Strongylocentrotus purpuratus
D010710:Phosphates; D010761:Phosphorus Radioisotopes; D010758:Phosphorus